Best Mashape API Platform Alternatives & Competitors in 2025

Instantly Build and Grow Your API Business.

Grow and Monetize API Products.

Key Moesif features:

API Product Analytics API Logs and Metrics API Monitoring Custom dashboards

Open Source freemium

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source freemium

Social media sharing plugin for WordPress.

Key Monarch features:

Wide API Range Scalability Strong Security Comprehensive Documentation

Fast, small, safe, gradually typed embeddable scripting language derived from Lua.

Key Luau features:

Ease of Use Performance Robust Typing System Scalability

Open Source

Open source, real time API platform.

Key Telepat.io Cloud features:

Scalability Real-time Data Sync Ease of Use API Integration

Tyk is an open-source API gateway and API management platform.

Key Tyk features:

Open Source Comprehensive Features High Performance Flexible Deployment

Open Source

Open platform to connect, manage, and secure microservices.

Key Istio features:

Traffic Management Observability Security Policy Enforcement

Open Source

Apache APISIX is a dynamic, real-time, high-performance Cloud-Native API gateway, based on the Nginx library and etcd.

Key Apache APISIX features:

High Performance Dynamic Configuration Extensive Plugin Ecosystem Open Source and Community-driven

Open Source

API marketplace for finding and connecting to the world's top APIs.

Key RapidAPI features:

Wide Variety of APIs Unified Billing Ease of Integration Testing Environment

A design driven approach for building microservices in Go.

Open Source

Start a sustainable company lifestyle, on Slack.

Key Greenlist features:

Sustainable Shopping User-Friendly Interface Comprehensive Product Database Personalized Recommendations

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

Key Insomnia REST features:

User-Friendly Interface Support for Multiple Protocols Environment Management Custom Plugins and Themes

Open Source

Intelligent and complete API platform.

Key Apigee features:

Robust API Management Security Features Scalability Analytics and Monitoring